电动机的铭牌上标着Y型接法,为什么接成三角形还没什么问题呢?

2025-01-01 17:07:33
推荐回答(3个)
回答(1):

小电机用星形的多,大电机用三角形的多。大电机一般选用星-三角降压起动,可以降低起动电流。星形接法的电机的起动电流小(它的线圈电压是220V的)但是转矩也小,所以一般用于小电机和大电机的降压起动的起动部分。三角形接法的电机线圈电压是380V,电压高起动电流就大,工作转矩大。

电机铭牌上都已标注,普通电机只标一中,要么Y要么三角。还有一种两种都能接为变速电机,Y接法为低速,三角接法为高速。区别在于Y接法电机两相绕组和在一起分压380V,三角接法是电机一相绕组分压380

回答(2):

你的电动机上,标的额定电压是多少?你的电源电压是多少?线圈上电压220V的,星接可以通入380V的电压,三角接法只能220V的电压。

回答(3):

有可能你的电机经过修改,或者你的电机是美国进口。

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